NEC BioCripto Card, Руководство пользователя

Страница: 23 / 31

Section 2 Before using
2-6
.
2.4 How to clean
The method of cleaning BioCripto Card is described here.
Note:
The sensor may get dirty due to direct contact with fingers. Please keep the sensor clean.
1
Open the sensor guard to expose the sensor.
2
Wipe off the stains with a dry clean cloth.
Note:
• Do not use a volatile organic solvent, such as thinner or benzine, or a chemical cloth.
• Do not use sharp objects such as a ballpoint pen to clean the unit.
• Do not use tape to keep the sensor guard open. Open it with your hand and then clean it.